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// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
// See the LICENSE file in the project root for more information.
#nullable disable
using System;
using System.Composition;
using System.Windows;
using System.Windows.Controls;
using Microsoft.CodeAnalysis.Editor.Shared.Extensions;
using Microsoft.CodeAnalysis.Editor.Shared.Preview;
using Microsoft.CodeAnalysis.Editor.Shared.Utilities;
using Microsoft.CodeAnalysis.Host.Mef;
using Microsoft.CodeAnalysis.Options;
using Microsoft.CodeAnalysis.Text;
using Microsoft.CodeAnalysis.Text.Shared.Extensions;
using Microsoft.VisualStudio.Text;
using Microsoft.VisualStudio.Text.Editor;
using Microsoft.VisualStudio.Text.Projection;
using Microsoft.VisualStudio.Utilities;
namespace Microsoft.CodeAnalysis.Editor.QuickInfo
{
[ExportWorkspaceService(typeof(IContentControlService), layer: ServiceLayer.Editor), Shared]
internal partial class ContentControlService : IContentControlService
{
private readonly IThreadingContext _threadingContext;
private readonly ITextEditorFactoryService _textEditorFactoryService;
private readonly IContentTypeRegistryService _contentTypeRegistryService;
private readonly IProjectionBufferFactoryService _projectionBufferFactoryService;
private readonly EditorOptionsService _editorOptionsService;
[ImportingConstructor]
[Obsolete(MefConstruction.ImportingConstructorMessage, error: true)]
public ContentControlService(
IThreadingContext threadingContext,
ITextEditorFactoryService textEditorFactoryService,
IContentTypeRegistryService contentTypeRegistryService,
IProjectionBufferFactoryService projectionBufferFactoryService,
EditorOptionsService editorOptionsService)
{
_threadingContext = threadingContext;
_textEditorFactoryService = textEditorFactoryService;
_contentTypeRegistryService = contentTypeRegistryService;
_projectionBufferFactoryService = projectionBufferFactoryService;
_editorOptionsService = editorOptionsService;
}
public void AttachToolTipToControl(FrameworkElement element, Func<DisposableToolTip> createToolTip)
=> LazyToolTip.AttachTo(element, _threadingContext, createToolTip);
public DisposableToolTip CreateDisposableToolTip(Document document, ITextBuffer textBuffer, Span contentSpan, object backgroundResourceKey)
{
var control = CreateViewHostingControl(textBuffer, contentSpan);
// Create the actual tooltip around the region of that text buffer we want to show.
var toolTip = new ToolTip
{
Content = control
};
toolTip.SetResourceReference(Control.BackgroundProperty, backgroundResourceKey);
// Create a preview workspace for this text buffer and open it's corresponding
// document.
//
// our underlying preview tagger and mechanism to attach tagger to associated buffer of
// opened document will light up automatically
var workspace = new PreviewWorkspace(document.Project.Solution);
workspace.OpenDocument(document.Id, textBuffer.AsTextContainer());
return new DisposableToolTip(toolTip, workspace);
}
public DisposableToolTip CreateDisposableToolTip(ITextBuffer textBuffer, object backgroundResourceKey)
{
var control = CreateViewHostingControl(textBuffer, textBuffer.CurrentSnapshot.GetFullSpan().Span);
// Create the actual tooltip around the region of that text buffer we want to show.
var toolTip = new ToolTip
{
Content = control
};
toolTip.SetResourceReference(Control.BackgroundProperty, backgroundResourceKey);
// we have stand alone view that is not associated with roslyn solution
return new DisposableToolTip(toolTip, workspaceOpt: null);
}
public ViewHostingControl CreateViewHostingControl(ITextBuffer textBuffer, Span contentSpan)
{
var snapshotSpan = textBuffer.CurrentSnapshot.GetSpan(contentSpan);
var contentType = _contentTypeRegistryService.GetContentType(
IProjectionBufferFactoryServiceExtensions.RoslynPreviewContentType);
var roleSet = _textEditorFactoryService.CreateTextViewRoleSet(
TextViewRoles.PreviewRole,
PredefinedTextViewRoles.Analyzable,
PredefinedTextViewRoles.Document,
PredefinedTextViewRoles.Editable);
var contentControl = ProjectionBufferContent.Create(
_threadingContext,
[snapshotSpan],
_projectionBufferFactoryService,
_editorOptionsService,
_textEditorFactoryService,
contentType,
roleSet);
return contentControl;
}
}
}
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